package com.qch.demo_gc;

/**
 * @Author qch
 * @Date 2021/8/18
 */
public class TestGCLog01 {
    private static final int _1MB = 1024 * 1024;

    /*** VM参数： * 1. -Xms20M -Xmx20M -Xmn10M -XX:+UseParNewGC
     -XX:+PrintGCDetails -XX:SurvivorRatio=8 */
    public static void testAllocation() {
        byte[] allocation1, allocation2, allocation3, allocation4;
        allocation1 = new byte[2 * _1MB];
        allocation2 = new byte[2 * _1MB];
        allocation3 = new byte[2 * _1MB];
        allocation4 = new byte[4 * _1MB]; //出现一次 Minor GC }
    }

    public static void main(String[] args) {
        testAllocation();
    }
}